Wiping mechanism



May 14, 1929. A, F CARLSON 1,712,979

wIPING/MEGHANISM Filed {uly 26, 1925 F1 gli.

lnven'ov: Axel Feike Carlson.

Patented May 14, 1929.

Unire srAes sarei? clinics.

JhXEL EOKE CARLSON, OF CAMBltlIG-E, MASSACITUEIETTS, iSSIGNR TO REECESHOE MACHINERY CMANY, OF BUSVSN, MASSACHUSETTS, A. CORPORATION OF MAINE.

WIRING MECHANISM.

Application filed July 2G,

|This invention is a novel wiping' mechanism adapted to be used onvarious types of shoe lasting machines, such for example as that shownin my prior Patent No. 1,563,964, ,granted December i, i925, or in anyot the prim.' patents therein referred to. The present invei'ition hasreference more particularly to a mechanism tor wiping the shoe upper atthe heel end, although the novel Afeatures may be used in toe wipingmechanisms.

'.lhe general object oit the present invention is to ailord a wipingmechanism :tor shoe lasting` machines opeint-ingin a more eliicient andconvenient manner. il. further object is to simplify and render morecompact a wipinp` mechanism oit the kind reierred to. Other and furtherobjects and advantages will be made clear in the tollowing' descriptionot a convenient embodiment et the invention, or will be apiriarent tothose skilled in the subject. To the attainment oi? the above referredto objects and advantages the present invention con,- sists in novelwiping mechanism, and the novel teatures oit construction, combination,arrangement and detail herein illustrated or descrihed.

ln the accompanyingv drawings Fig. l is a top plan view, shown partly inhorizontal section ot sutiicient oi a wiping; mechanism to illustratethe i'eatures of the present invention.

'ifigx 2 is a right elevation oit the parts shown in Fig. l.

ltiig. 3 is a central longitudinal vertical section ot the mechanismshown in Fig. l.

lhe present invention has to do particularly with the operating orwiping movements oit the wiper plates, such movements consisting et abodily advance toward the end et the shoe combined with converging orswinging movements ot the wiper plates toward each other; these combinedmovements carrying the plates over the margins oit the shoe at the endand both sides.

rldhe present invention is a development ot the operating` mechanism torthe heel wiiiiers shown in prior patent of Perri No. 5@ 21,222,127 oitApril 1(4), 1917, 3 to 8, wherein an operating handle is swung t0 thelettto torce toward the shoe the sliding bar or carriage on which the wiates are s' N( y mounted, thus the f i haai :eleven i926. serial no.124,987.

saine time this movement ot' the carriage, operating through transverselevers seen especially in Fig. 8, causes the swinging or converpgingmovements ot the wiper plates. Each 'transverse lever has its outwardend iflilcruined to a stationary point while the carriage operates at amiddle point ori the lever, so that the toothed sector at the inner endet the lever is given a relatively faster movement than that ot thecarriage so as to operate on the wiper plate and cause its inwardswinging movement. Other prior mechanisms having the same generalpurpose and similar arrangement are the Perri lfatents lilo. 1,420,573of June 20, i922, Figi'. fi, and lio. ,i i-20,574l oit the same date,Fig. i'. ln each oi these prior mechanisms, the connections 'for iusingthe swinging movemonts ot the wiper plates are somewhat complicated andare internally accommodated, whereas, as will be shown, the presentinvention is simpler and more rugged and is arranged largely externally,so as to oi'/i'er access tor adjustment and repair.

is in the prior patents the wiping mechanism hereof may be mounted uponone oit a series of carriages movable in different ways 'for adjustmentand operation. llhe illustration herein commences with a cylindricalcarriage l0, which corresponds with the longitudinally tiltable shell237 or 265 ot the bed lasting,F machines oit said Patents Nos. 1,222,127and 1,563,964, it, therefore, being` understood that the cylindricalcarriage or shell i() may be mounted upon a transversely swingablecarriage which in turn is mounted upon a bodily sliding carriage, hywhich the wiping' mechanism is brought up to the shoe, this in Patent1,222,- 127 being mounted upon a rising support or carriage by which theelevation mayabe adjusted to contorni with the shoe being lasted.

Mounted inside the cylindrical shell or carriage l0 is shown a laterallytiltable carriage il., l2, 13 capable ot being' slightly rotated aboutthe longitudinal axis ot the shell, so as to alter the tilt ot thewiping plane to accord with the under surface ott the shoe. Thiscarriage is shown as built up oit superposed elements, which togetherassume a substantial cylindrical shape littingi inside the shell. llhusthe lower secltio-ii lll olf the tiltine carriage is snrmounted hy 'lile sentieri l2, 'which l turn n l Ui mounted by the top section 13. Thelower section 11 is longitudinally apertured to receive the shank of aheel clamping dev-icc, not shown herein, but which may 'be constructedas in vsaid prior patents. The 4lett or forward end of the middlesection 12, being the end nearest'to the shoe, is enlarged or widenedinto a head 14: having an upstanding rim 15 within which areaccommodated and supported the wiping plates.

VThe apex of the shoe and o'l" the` wiping pla-tes is 'indicated at 16.The actual wipingmay be-Ypertormed vby thin contour plates 17 secured tothe under side of the wiper plates A18. Preferably the plates swingconvergingly aboutthe apex 16 as a. centre, so that Y a. continuouscontour may be preserved during the wiping operations. For this purposethe wiper plates 18 maybe mounted as followsVr-Each ot them has Yformed1n 1t 4an are slot 19 laid out with the apex 16 as a centre. The twocurved slots 19 both engage upon la correspondingly curved guide 20,which extends to 'both sides et the centre line, and is attached to the'forward or lefty end the wiper plate carriage 21 shown in the form of alongitudinal bar which slides between and `is guided by portions of themiddle section 12 of the tilting carriage. The mounting of the wiperplates may be completed by Van underlying plate 22 preterably att-achedto the underside of the curved guide 20, and a cover plate 22, seen inFig. 3, preserving the proper relation between the parts during theswinging; move- Mients. y

V'From this construction it will be clear that when the sliding carriageor bar 21 is moved to the lett, this will 'bodily advance the wiperplates toward the shoe, and will carry the `apex 16 et the wipingcontour over the edge ol the shoe at the apex. In

accorda-nce with this invention it is prevferred to slide the carriage21 manually, in any desired manner, and to utilize `the movements of thesliding carriage to Cause the swinging movements of the 4wiper plates,which broadly is the plan of said Patent No. 1,222,127. For thesepurposes the slidingr carriage or bar 21 'has formed at its rifLh-t orouter end, or rigidlyattached to it, a 'bracket piece 23, one part ofwhich stands up to receive connection from the operating lever, andanother part of which extends as a lateral arm 24, forming` a rigid partof the bar.

The wiping movements may be effected by a handle 25, which is shown ,asmounted to swing about a. ulcrum 26 provided on a bracket 217 securedtothe cylindrical shell 10. The lever may have any suitable con-Anection to the wiper bar 21; for example,

a stud 28 extending downwardly from the lever by which is swiveled aslotted head or yoke 29 formed with a curved slot 30, While a"horizontal stud or yconnecting pin il] engages the upstanding part ofthe bracket 22E and Vthe slots 30. 'lhus is all'ordcd a connectionperfn'litting:r the tilting' movement:-` oi" 4'l elements inside thecylindrical she l, and giving an operating;` connection such that. whenvthe handle 25 is thrown to the lett or right, it gives etlective acly:ation lo the wiper bar 2l in the same direction.

The swinging' movements ol' the wiper .plates toward and l'rom eachother may be cliectcd solely from the longitudinal movements of thecarriage or bar 2l, irrespective ol the manner olf producing; suchmovements.

Referringl to Figs. 1 and 3 each wiper plate 18 shown as connected by alink L-l to the cross piece or head lil oit a T-shaped actuatingr bar84, shown confined heine-cn parts of middle section 12 beneath thc wipercarryingV bar 2l. The links 32 may have. tlatball and socket connectionsto the wiper plates and head respectively so that the. entire mechanismmay be acconnnodalml flatly between the underlying and covering;elements. lVhen the actuator bar is moved relatively to the lett, thismanifestly will canse the wiper plates to swing' toward cach other. Thisacluatiim` movement o'tE the liar 3l must be at greater speed than thecarrying movement of the bar 2l, just as the small toothed lcv-ers insaid Patent No. 1,222,127 at their 'inner ends, morey taster in order toswing` the wiper plates. A suitable connection from the arrier bar 21 tothe actuator bar 34; for this purpose may be as follows A vbracket 35ris .shown attached to the tiltingr c: rriage 11--13, and this bracketis substantially stationary d urine' the wipim;` operation. Pivoted atthe rear end ol' the. bracket 35 is what may be termed a. ajear sect-or36 comprising a lever -l carrying;- a. curved rack 38 at its outer end.The lateral extension or arm 2drot the carrier bar 2l is shown'connected. by a link 35) to an intormediate part ol lever 87. By this`arrangement the ,advancing movement ol' the carrier bar causes theswinging' olf lever -li' and the consequent movement ol the curved rack3S at `a relatively faster speed. rlhc rack 38 is shown ,engaging a rackd() secured at the upper side of the actuator bar -l, so that for eachnnitof forward n'lovement ol the Carrier bar, the actuator bar will morea greater distance, and theretm'e, actin;r through links 32 will causethe, conveurgingswinging movements ol the wiper plates.

Then the operating handle 2.3 is retracted completely to t-he right,both el the bars 2l and 341 will be in their mostretractcd positions, asshown, and the mechanism in readiness for wiping operation. lt issometimes desirable to adjust initially toward or Yl'rom each other thewiper plates, and this may be done through the adjusting connection l1connecting` the rack with the actuator bar. By looseninga the connectionthe bar may be shifted slightly endwise to change the initial contouraccordingn to the width ot the shoes. "When lthe rack is again securedin place the mechanism is in readiness for wiping operation, the forwardmovement of the hand lever liorcing the carrier bar and wiper platesbodilyT forward, while the lateral connections :trein the carrier ba r,acting tllrough the lever 37, give the relatively greater inotion to theactuator bar, in order to cause the simultaneous swiiiging et the wiperplates as oescribed.

llt will be noted that the connections from the carrier bar to theactua-ter bar are e1;- terior and easily accessible for inspection andadjustment. They are simple, rugged and eil'ective. They are coniipactand arranged at lthe side away from the operator so as not to iinpedehis operation of the nia chine. it sin gie multiplying)- lever ortoothed sector serves to give the increased movement to both wiperplates.

rllhere has thus been described a wiping mechanism iter shoe lastingmachines en1- bodying; the principles and attaining` the objects of thepresent invention. Since various nia-liters of arrangement,conil'iiiiation, lilcsign and operation may be modilied withoutdepartingl from the principles of the invention, it is not intended tolimit the invention to such matters, except to the exA tent set forth inthe appended claims.

lWhat is claimed is l. llliping mechanism for shoe lasting` inachinescomprising a traine, Wiper plates movable as a Whole toward and from theshoe and swingable toward and from eacli other,

a longitudinally movable carrier arranged to carry the Wiper platestoward and :lron'i the shoe,4 a longitudinally movable actuator forswinging' the Wiper plates toward and :from each other, an operating`member `io'r longitudinally moving)l the carrier toward and :troni theshoe7 and a separato connection between the carrier and the actuator'for nioving1 the actaiator lo Swing` the Wiper plates toward and fromeach other.

2. Owipingv mechanism as in claim l and wherein the connection from thecarrier to the actuator comprises a lever arranged laterally et' theactuator with its far end fulcrunied to the Aiiranie and a connectorfrom the carrier lo an intermediate point on the lever7 whereby themovement ot the carrier is increased to a faster inmfenient oi thea(':tuator.

llllipinp` nicclianisni 'for shoe lasting;` ma chines comprising wiperplates movable as a whole toward and 'from the shoe and sia/'ingabletoward and from cach other, a longitudinally movable carrier arranged tocarry the wiper plates toward and from Vthe shoe7 a longitudinall),Tmovable actuator i'or swing ing;- Athe Wiper plates toward and :tronieach other, an mperating` inenibcr for longitudinally moving` 'thecarrier toward and iii-oni the shoe, and a separate connection betweenthe carrier and the actuator for movingl the actuator to swing the Wiperplates toward and from each other, consisting` oi? a toothed sector, arack en tlie actuator engaginrthe sector and a pivoted connector 'lirointhe carrier to the sector tor swinging it.

In testimony Wliereoi', l have aflixed my signature hereto.

AXEL FOLKE CARLSON.

